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DlnSpiSlaveIsEnabled() Function

The DlnSpiSlaveIsEnabled() function retrieves information whether the specified SPI slave port is active or not.

Syntax
C/C++
DLN_RESULT DlnSpiSlaveIsEnabled(
   HDLN handle,
   uint8_t port,
   uint8_t* enabled
);
Parameters
handle

A handle to the DLN-series adapter.

port

A number of the SPI slave port.

enabled

A pointer to an unsigned 8-bit integer that receives information whether the specified SPI slave port is activated after the function execution. There are two possible values:

  • 0 or DLN_SPI_SLAVE_DISABLED - the port is not configured as a SPI slave.

  • 1 or DLN_SPI_SLAVE_ENABLED - the port is configured as a SPI slave.

Return Value
DLN_RES_SUCCESS (0x00)

The function successfully retrieved information about the port.

DLN_RES_INVALID_PORT_NUMBER (0xA8)

The port number is not valid. Use the DlnSpiSlaveGetPortCount() function to find the maximum possible port number.

Remarks

The DlnSpiSlaveIsEnabled() function is defined in the dln_spi_slave.h file.

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USB-I2C/SPI/GPIO Interface Adapters © 2016

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